Buick Century 2001–2004 — technical service bulletin
Bulletin 030845004 · NHTSA communication 10004775 · issued Oct 1, 2003
Technical service bulletin
communication type
Electrical System
component
2001–2004
model years
8
vehicle entries
Official summary
Intermittent service engine soon (ses), anti-lock brake (abs) or traction control system (tcs) lamp illuminated, engine no crank/no start, various instrument panel (i/p) cluster intermittents, diagnostic trouble codes (dtcs) u1000, u1016, b1422, b2957, b2958 set, shifter locked in park. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.